| 作者 (Author) | Sobol, Donald J. |
| Summary: Encyclopedia Brown is faced with solving the mystery of the missing professor, a missing monkey, and a thief in a thunderstorm.#20 | |
| 等级 (MML) | MM Level-4.3 |
| 年级 (IL) | Medium Grades (MG 4-8) |
| 字数 (Words) | 9312 |
| 类型 (Fiction) | Fiction |
| 系列 (Series) | Encyclopedia Brown; |
| Topic: Adventure-Misc./Other; Mysteries-Lost Items; Mysteries-Kidnappings; Recommended Reading-Reading Rockets; | |
